void blank_row (struct window *, struct glyph_row *, int);
void clear_glyph_matrix_rows (struct glyph_matrix *, int, int);
void clear_glyph_row (struct glyph_row *);
-void prepare_desired_row (struct glyph_row *);
+void prepare_desired_row (struct window *, struct glyph_row *, bool);
void update_single_window (struct window *, bool);
void do_pending_window_change (bool);
void change_frame_size (struct frame *, int, int, bool, bool, bool, bool);